Function Overview; Type Plate/Product Serial Number; Engine; Fuel - Husqvarna 131R Workshop Manual

7.1 Type plate/Product serial number

The product serial number is given on the type plate.
Supply the model name and the article number when
you send an order for spare parts.

7.2 Engine

967 84 31-xx and 967 84 30-xx have engines with
rotating carburetors.

7.3 Fuel

7.3.1 To use fuel
CAUTION: This product has a two-cycle engine.
Use a mixture of gasoline and two-cycle engine
oil. Make sure to use the correct quantity of oil
in the mixture. Incorrect ratio of gasoline and oil
can cause damage to the engine.
7.3.2 Gasoline
CAUTION: Do not use gasoline with an octane
number less than 90 RON (87 AKI). This can
cause damage to the product.
CAUTION: Do not use gasoline with more than
10% ethanol concentration (E10). This can
cause damage to the product.
• Always use new unleaded gasoline with a minimum
octane number of 90 RON (87 AKI) and with less
than 10% ethanol concentration (E10).
• Use gasoline with a higher octane number if you
frequently use the product at continuously high
engine speed.

18 - Function overview

7 Function overview
7.3.3 Two-cycle engine oil
• Use only the two-cycle engine oil of high quality,
especially HUSQVARNA two-cycle oil. Use only the
oil of an air cooled engine.
• Mixture ratio 1:40 (2.5%).
• Oil of low quality and high oil/fuel ratio can decrease
the lifetime of catalytic converters.
• Speak to your dealer when you select an oil.
• If Husqvarna two-stroke oil is not available, you can
use another two-stroke oil of good quality that is
intended for air cooled engines. Contact your dealer
when you select oil.
• Do not use the two-stroke oil for water-cooled
outboard engines. The two-stroke oil is sometimes
referred to as outboard oil.
Gasoline,litre
5
10
15
20
7.3.4 To make the fuel mixture
Note: Always use a clean fuel container when you mix
the fuel.
Note: Do not make more than 30 days quantity of fuel
mixture.
1. Add half of the gasoline quantity.
2. Add the full quantity of oil.
3. Shake the fuel mixture to mix the contents.
4. Add the remaining gasoline quantity.
5. Shake the fuel mixture to mix the contents.
6. Fill the fuel tank.
7.3.5 To add fuel
Oil,litre
2.5%(1:40)
0,125
0,25
0,375
0,50
WARNING: Do not smoke or put hot objects
near fuel. Before you add fuel, stop the engine
and let it cool for minutes.
WARNING: When you add fuel, open the fuel
tank cap slowly to release unwanted pressure.
WARNING: After you add fuel, tighten the fuel
tank cap carefully. Move the machine away from
the refuelling area and the power before you
start the engine.
675 - 002 - 23.04.2018